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Instruments To Measure and Control the Electric Conductivity ESELECT M1 CD COOL
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ETATRON D.S. S.P.A.
Rome, Italy
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eSelect-M1 CD Cool is an electrical conductivity measurement and control instrument, specifically designed for cooling towers. The programming menu contains functions specifically designed for this application, while a wide graphic display and a user-friendly navigation menu make it a very simple product for the end users.
Discharge solenoid valve control, both with conductivity value and in timer mode.
Inhibitor dosing control, directly according to the water discharge (solenoid valve closing) or via an internal timer, with the possibility of proportional dosing via water-meter pulse-sender Biocide dosing control, with the possibility of controlling two dosing pumps for the biocide with two dosing programs; timed programming with 99 programs for each biocidal product; possibility of blocking pumps during water discharge (solenoid valve open)

 Features of Instruments
  1. Automatic monitoring of dosing pumps and solenoid valve by the conductivity measure or by the timer.
  2. Measure: electric conductivity and temperature (C°)
  3. Two 4-20mA outputs, programmable by the user
  4. 4 setpoint outputs, ON/OFF o PWM (Pulse Width Modulation) working mode.
  5. Adjustable Hysteresis on the setpoint value; delay time on relay activation
  6. MAX and MIN alarms on the value measure
  7. Overdosing Alarm (excessive dosing time)
  8. Timer built-in for start/stop control of the instrument.
  9. Alarm relay.
  10. Accurate dosing of the chemicals, inhibitor, and two biocides.
  11. Four operative modes for inhibitor dosing.
  12. Biocides dosing cycles programmable by timer or clock.
  13. Flow sensor input.
  14. Level probe input.



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